Patent
Reference voltage generation circuit including resistor arrangements
Yusuke Yoshii,Yuki Inoue +1 more
- 26 Apr 2016
2
TL;DR: In this paper, a reference voltage generation circuit has been proposed, where a first reference voltage source generates a first-reference voltage, and a second reference voltage has a temperature response different from that of the first one.
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Abstract: As one example of the invention disclosed herein, a reference voltage generation circuit has: a first reference voltage source generating a first reference voltage; a second reference voltage source generating a second reference voltage having a temperature response different from that of the first reference voltage; a first comparator comparing the first and second reference voltages to generate a first comparison signal; and a selector selectively outputting one of the first and second reference voltages as a reference voltage according to the first comparison signal.
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Citations
Patent
Digital low dropout regulator and control method thereof
Xuehuan Feng,Pan Xu,Yongqian Li,Zhongyuan Wu +3 more
- 22 Dec 2017
TL;DR: In this paper, a low-dropout regulator consisting of a voltage comparator, a counter, a decoder, a PMOSFET array and a divider is presented.
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Patent
Resistor array, output buffer, and manufacturing method for semiconductor device
Sasaki Seiichiro
- 05 Oct 2017
TL;DR: A resistor array made of a semiconductor includes a plurality of resistor groups and a common line that electrically connects the M-th resistors of the plurality of groups.
References
Patent
Reference voltage generating circuit, integrated circuit device, and signal processing apparatus
Hideo Haneda
- 12 Feb 2009
TL;DR: A reference voltage generating circuit that generates a reference voltage includes: a first pn junction that produces a first voltage, a second pn node that generates the second voltage, and a third node that produces the third voltage, where the reference voltage and the temperature-dependent voltage are outputted in parallel from first and second output nodes, respectively, by a trimming signal as discussed by the authors.
35
Patent
Programmable voltage generator
Khouri Osama,Rino Micheloni,Andrea Sacco,Guido Torelli +3 more
- 15 Nov 2000
TL;DR: In this article, a negative feedback loop including a programmable voltage divider having a feedback node is used to define an output voltage V0 programmable on the basis of command signals supplied to the switches.
31
Patent
Bandgap reference circuits
Hung-I Chen,Yung-Chih Yen +1 more
- 12 Jun 2007
TL;DR: In this article, a bandgap reference circuit capable of operating in low voltage environments is presented. But the circuit is not suitable for low voltage conditions, as it requires a high-impendence path.
31
Patent
Programmable low-dropout regulator and methods therefor
Radu H. Iacob,Cornel Stanescu,Adrian M. Tache,Sabin A. Eftimie +3 more
- 13 Apr 2010
TL;DR: In this paper, a low-dropout (LDO) regulator includes a voltage reference circuit to provide a reference voltage, a pass device including an input terminal coupled to a voltage input, an output terminal to provide an output voltage and a control terminal, and an error amplifier including a first amplifier input, a second amplifier input and an amplifier output coupled to the control terminal of the pass device.
23
Patent
Reference voltage circuit and semiconductor integrated circuit
Yoshiyuki Endo,Kenta Aruga,Suguru Tachibana,Koji Okada +3 more
- 28 Feb 2011
TL;DR: In this paper, the offset adjustment voltage generation circuit is configured to generate a voltage which is input to the third and fourth input terminals of the second amplifier, and reduce an offset voltage between the first and second input terminals through the second amplifiers.
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